Roof cargo box



FIG. 1 is a perspective view of a roof cargo box;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

In the drawings, the broken lines in FIGS. 1 and 2-7 depict portions of the article that form no part of the claimed design. 

CLAIM We claim the ornamental design for a roof cargo box, as shown and described. 